Dyfyniad APA

James Varghese. (1986). On essential oils. Synthetic.

Dyfyniad Arddull Chicago

James Varghese. On Essential Oils. Kolencherry, Ernakulam: Synthetic, 1986.

Dyfyniad MLA

James Varghese. On Essential Oils. Synthetic, 1986.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.